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path: root/drivers/gpu/drm/drm_atomic_helper.c
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Diffstat (limited to 'drivers/gpu/drm/drm_atomic_helper.c')
-rw-r--r--drivers/gpu/drm/drm_atomic_helper.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 20be86d89a20..813821e15f93 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -1631,6 +1631,9 @@ int drm_atomic_helper_prepare_planes(struct drm_device *dev,
funcs = plane->helper_private;
+ if (!drm_atomic_helper_framebuffer_changed(dev, state, plane_state->crtc))
+ continue;
+
if (funcs->prepare_fb) {
ret = funcs->prepare_fb(plane, plane_state);
if (ret)
@@ -1647,11 +1650,13 @@ fail:
if (j >= i)
continue;
+ if (!drm_atomic_helper_framebuffer_changed(dev, state, plane_state->crtc))
+ continue;
+
funcs = plane->helper_private;
if (funcs->cleanup_fb)
funcs->cleanup_fb(plane, plane_state);
-
}
return ret;
@@ -1894,6 +1899,9 @@ void drm_atomic_helper_cleanup_planes(struct drm_device *dev,
for_each_plane_in_state(old_state, plane, plane_state, i) {
const struct drm_plane_helper_funcs *funcs;
+ if (!drm_atomic_helper_framebuffer_changed(dev, old_state, plane_state->crtc))
+ continue;
+
funcs = plane->helper_private;
if (funcs->cleanup_fb)